What causes up thrust?
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Explanation:
An object that is partly, or completely, submerged experiences a greater pressure on its bottom surface than on its top surface. This causes a resultant force upwards. This force is called upthrust .
Upthrust is not a type of friction. It is the upward force that a gas or liquid has on an object floating in it. If an object is in a fluid, it will displace some of the fluid
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